Relevant information is given on the Ninth International Conference on Trichinellosis held in Mexico City from 19 to 22 August 1996. The Conference was organized in 4 Symposia and 8 Workshops. One-hundred-thirty scientific contributions (on the epidemiology, biology, systematics, immunology, biochemistry, molecular biology, pathology, legislation and control) were presented by 90 research scientists coming from 21 countries.